fix lint

packages/svelte/src/internal/client/reactivity/effects.js

@@ -73,15 +73,18 @@ function active_root_effect() {
  */
 export function validate_effect(rune) {
 	const valid_effect_parent = active_root_effect();
-	switch(valid_effect_parent) {
+	switch (valid_effect_parent) {
 		case VALID_EFFECT_PARENT:
 			return;
 		case EFFECT_ORPHAN:
 			e.effect_orphan(rune);
+			break;
 		case UNOWNED_DERIVED_PARENT:
 			e.effect_in_unowned_derived();
+			break;
 		case EFFECT_TEARDOWN:
 			e.effect_in_teardown(rune);
+			break;
 	}
 }